docs: def find_out_member_access_type(self, member):
          """
          returns member access type
  
          :param member: member of the class
          :type member: :class:`declaration_t`
  
          :rtype: :class:ACCESS_TYPES
          """
          assert member.parent is self
          if not member.cache.access_type:
              if member in self.public_members:
                  access_type = ACCESS_TYPES.PUBLIC
              elif member in self.protected_members:
                  access_type = ACCESS_TYPES.PROTECTED
              elif member in self.private_members:
                  access_type = ACCESS_TYPES.PRIVATE
              else:
                  raise RuntimeError(
                      "Unable to find member within internal members list.")
              member.cache.access_type = access_type
              return access_type
          else:
              return member.cache.access_type